JSValue* JSCanvasRenderingContext2D::putImageData(ExecState* exec, const ArgList& args)
{
// putImageData has two variants
// putImageData(ImageData, x, y)
// putImageData(ImageData, x, y, dirtyX, dirtyY, dirtyWidth, dirtyHeight)
CanvasRenderingContext2D* context = impl();
ExceptionCode ec = 0;
if (args.size() >= 7)
context->putImageData(toImageData(args[0]), args[1]->toFloat(exec), args[2]->toFloat(exec),
args[3]->toFloat(exec), args[4]->toFloat(exec), args[5]->toFloat(exec), args[6]->toFloat(exec), ec);
else
context->putImageData(toImageData(args[0]), args[1]->toFloat(exec), args[2]->toFloat(exec), ec);
setDOMException(exec, ec);
return jsUndefined();
}
v8::Handle<v8::Value> V8CanvasRenderingContext2D::putImageDataCallback(const v8::Arguments& args)
{
INC_STATS("DOM.CanvasRenderingContext2D.putImageData()");
// Two froms:
// * putImageData(ImageData, x, y)
// * putImageData(ImageData, x, y, dirtyX, dirtyY, dirtyWidth, dirtyHeight)
if (args.Length() != 3 && args.Length() != 7) {
V8Proxy::setDOMException(SYNTAX_ERR);
return notHandledByInterceptor();
}
CanvasRenderingContext2D* context = V8CanvasRenderingContext2D::toNative(args.Holder());
ImageData* imageData = 0;
// Need to check that the argument is of the correct type, since
// toNative() expects it to be correct. If the argument was incorrect
// we leave it null, and putImageData() will throw the correct exception
// (TYPE_MISMATCH_ERR).
if (V8DOMWrapper::isWrapperOfType(args[0], &V8ImageData::info))
imageData = V8ImageData::toNative(v8::Handle<v8::Object>::Cast(args[0]));
ExceptionCode ec = 0;
if (args.Length() == 7)
context->putImageData(imageData, toFloat(args[1]), toFloat(args[2]), toFloat(args[3]), toFloat(args[4]), toFloat(args[5]), toFloat(args[6]), ec);
else
context->putImageData(imageData, toFloat(args[1]), toFloat(args[2]), ec);
if (ec != 0) {
V8Proxy::setDOMException(ec);
return notHandledByInterceptor();
}
return v8::Undefined();
}
